19902295

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10729}}^1$

素因数の和:10794

約数の個数: 16

約数和(自身を含む): 27812160

約数和(自身を除く): 7909865

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10729, 53645, 75103, 375515, 568637, 2843185, 3980459, 19902295]

約数ペア:

[(1, 19902295), (5, 3980459), (7, 2843185), (35, 568637), (53, 375515), (265, 75103), (371, 53645), (1855, 10729)]